Columns
| Column | Type | Size | Nulls | Auto | Default | Children | Parents | Comments | ||
|---|---|---|---|---|---|---|---|---|---|---|
| id | BIGINT | 19 | √ | null |
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Standard Moodle primary key. |
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| quiz | BIGINT | 19 | 0 |
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Foreign key reference to the quiz that was attempted. |
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| userid | BIGINT | 19 | 0 |
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Foreign key reference to the user whose attempt this is. |
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| attempt | MEDIUMINT | 7 | 0 |
|
|
Sequentially numbers this student’s attempts at this quiz. |
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| uniqueid | BIGINT | 19 | 0 |
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Foreign key reference to the question_usage that holds the details of the the question_attempts that make up this quiz attempt. |
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| layout | LONGTEXT | 2147483647 | null |
|
|
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| currentpage | BIGINT | 19 | 0 |
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|
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| preview | SMALLINT | 5 | 0 |
|
|
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| state | VARCHAR | 16 | inprogress |
|
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The current state of the attempts. ‘inprogress’, ‘overdue’, ‘finished’ or ‘abandoned’. |
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| timestart | BIGINT | 19 | 0 |
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Time when the attempt was started. |
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| timefinish | BIGINT | 19 | 0 |
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Time when the attempt was submitted. 0 if the attempt has not been submitted yet. |
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| timemodified | BIGINT | 19 | 0 |
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Last modified time. |
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| timemodifiedoffline | BIGINT | 19 | 0 |
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Last modified time via web services. |
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| timecheckstate | BIGINT | 19 | √ | 0 |
|
|
Next time quiz cron should check attempt for state changes. NULL means never check. |
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| sumgrades | DECIMAL | 10,5 | √ | null |
|
|
Total marks for this attempt. |
Indexes
| Constraint Name | Type | Sort | Column(s) |
|---|---|---|---|
| PRIMARY | Primary key | Asc | id |
| quizatte_qui4_ix | Performance | Asc | quiz |
| quizatte_quiuseatt2_uix | Must be unique | Asc/Asc/Asc | quiz + userid + attempt |
| quizatte_statim2_ix | Performance | Asc/Asc | state + timecheckstate |
| quizatte_uni2_uix | Must be unique | Asc | uniqueid |
| quizatte_use4_ix | Performance | Asc | userid |
Relationships
Close relationships within degrees of separation
